DE69526948D1 - Sicherheitsbarriere - Google Patents

Sicherheitsbarriere

Info

Publication number
DE69526948D1
DE69526948D1 DE69526948T DE69526948T DE69526948D1 DE 69526948 D1 DE69526948 D1 DE 69526948D1 DE 69526948 T DE69526948 T DE 69526948T DE 69526948 T DE69526948 T DE 69526948T DE 69526948 D1 DE69526948 D1 DE 69526948D1
Authority
DE
Germany
Prior art keywords
security barrier
barrier
security
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69526948T
Other languages
English (en)
Other versions
DE69526948T2 (de
Inventor
J Mccoy
S Schumacher
A Kielb
F Palan
B Edwards
J Longsdorf
E Templin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosemount Inc
Original Assignee
Rosemount Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rosemount Inc filed Critical Rosemount Inc
Publication of DE69526948D1 publication Critical patent/DE69526948D1/de
Application granted granted Critical
Publication of DE69526948T2 publication Critical patent/DE69526948T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
DE69526948T 1994-09-30 1995-09-11 Sicherheitsbarriere Expired - Lifetime DE69526948T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31605994A 1994-09-30 1994-09-30
US08/472,695 US5710552A (en) 1994-09-30 1995-06-06 Barrier device
PCT/US1995/011532 WO1996010730A2 (en) 1994-09-30 1995-09-11 Barrier device

Publications (2)

Publication Number Publication Date
DE69526948D1 true DE69526948D1 (de) 2002-07-11
DE69526948T2 DE69526948T2 (de) 2003-02-20

Family

ID=26980216

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526948T Expired - Lifetime DE69526948T2 (de) 1994-09-30 1995-09-11 Sicherheitsbarriere

Country Status (7)

Country Link
US (1) US5710552A (de)
EP (1) EP0783665B1 (de)
CN (1) CN1080876C (de)
CA (1) CA2196749A1 (de)
DE (1) DE69526948T2 (de)
TW (1) TW272345B (de)
WO (1) WO1996010730A2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5606513A (en) * 1993-09-20 1997-02-25 Rosemount Inc. Transmitter having input for receiving a process variable from a remote sensor
WO1998057186A2 (en) * 1997-06-09 1998-12-17 Magnetrol International, Inc. Dual compartment instrument housing
EP1396710B1 (de) * 1998-03-18 2007-03-14 VEGA Grieshaber KG Mikrowellen-Füllstandsmessgerät geeignet zum Betrieb bei hohen Temperaturen und/oder hohen Drücken und/oder chemisch agressiver Umgebung
US6813318B1 (en) * 1999-04-30 2004-11-02 Rosemount Inc, Process transmitter having a step-up converter for powering analog components
US7134354B2 (en) * 1999-09-28 2006-11-14 Rosemount Inc. Display for process transmitter
US6510740B1 (en) 1999-09-28 2003-01-28 Rosemount Inc. Thermal management in a pressure transmitter
US6765968B1 (en) 1999-09-28 2004-07-20 Rosemount Inc. Process transmitter with local databus
US6487912B1 (en) 1999-09-28 2002-12-03 Rosemount Inc. Preinstallation of a pressure sensor module
AU7835100A (en) * 1999-09-28 2001-04-30 Rosemount Inc. Environmentally sealed instrument loop adapter
US6571132B1 (en) 1999-09-28 2003-05-27 Rosemount Inc. Component type adaptation in a transducer assembly
US6484107B1 (en) 1999-09-28 2002-11-19 Rosemount Inc. Selectable on-off logic modes for a sensor module
US6546805B2 (en) 2000-03-07 2003-04-15 Rosemount Inc. Process fluid transmitter with an environmentally sealed service block
US6662662B1 (en) 2000-05-04 2003-12-16 Rosemount, Inc. Pressure transmitter with improved isolator system
US6504489B1 (en) 2000-05-15 2003-01-07 Rosemount Inc. Process control transmitter having an externally accessible DC circuit common
US6480131B1 (en) * 2000-08-10 2002-11-12 Rosemount Inc. Multiple die industrial process control transmitter
US6516672B2 (en) 2001-05-21 2003-02-11 Rosemount Inc. Sigma-delta analog to digital converter for capacitive pressure sensor and process transmitter
US6684711B2 (en) 2001-08-23 2004-02-03 Rosemount Inc. Three-phase excitation circuit for compensated capacitor industrial process control transmitters
DE10152653B4 (de) * 2001-10-16 2005-06-02 Pepperl + Fuchs Gmbh Vorrichtung zur eigensicheren redundanten Strom-Spannungsversorgung
US7773715B2 (en) * 2002-09-06 2010-08-10 Rosemount Inc. Two wire transmitter with isolated can output
US7109883B2 (en) * 2002-09-06 2006-09-19 Rosemount Inc. Low power physical layer for a bus in an industrial transmitter
US6927965B2 (en) * 2003-03-25 2005-08-09 The Boeing Company Fuel level sensor safety barrier
DE10319793B3 (de) * 2003-04-30 2004-11-04 Endress + Hauser Gmbh + Co. Kg Energieversorgung eines Messgerätes
US7152781B2 (en) * 2003-12-01 2006-12-26 Advanced Technology Materials, Inc. Manufacturing system with intrinsically safe electric information storage
US7251985B2 (en) * 2004-03-23 2007-08-07 Endress + Hauser Flowtec Ag Safety module and measuring arrangement with safety module
DE102004014600A1 (de) * 2004-03-23 2005-10-27 Endress + Hauser Gmbh + Co. Kg Sicherheitsmodul und Messanordnung mit Sicherheitsmodul
US7187158B2 (en) * 2004-04-15 2007-03-06 Rosemount, Inc. Process device with switching power supply
US7036381B2 (en) * 2004-06-25 2006-05-02 Rosemount Inc. High temperature pressure transmitter assembly
US8160535B2 (en) * 2004-06-28 2012-04-17 Rosemount Inc. RF adapter for field device
US7262693B2 (en) * 2004-06-28 2007-08-28 Rosemount Inc. Process field device with radio frequency communication
US7222049B2 (en) * 2005-03-11 2007-05-22 Rosemount, Inc. User-viewable relative diagnostic output
US7308825B2 (en) * 2005-10-14 2007-12-18 Rosemount Tank Radar Ab Tank gauging system
US7525419B2 (en) * 2006-01-30 2009-04-28 Rosemount Inc. Transmitter with removable local operator interface
WO2009154748A2 (en) * 2008-06-17 2009-12-23 Rosemount Inc. Rf adapter for field device with low voltage intrinsic safety clamping
US7970063B2 (en) * 2008-03-10 2011-06-28 Rosemount Inc. Variable liftoff voltage process field device
US8929948B2 (en) 2008-06-17 2015-01-06 Rosemount Inc. Wireless communication adapter for field devices
CA2726534C (en) * 2008-06-17 2016-03-22 Rosemount Inc. Rf adapter for field device with loop current bypass
WO2009154756A1 (en) * 2008-06-17 2009-12-23 Rosemount Inc. Rf adapter for field device with variable voltage drop
EP2219013B1 (de) * 2009-02-13 2019-04-10 VEGA Grieshaber KG Stromerzeugungseinrichtung zur Erzeugung und gleichzeitigen Überwachung eines Messstroms
US9674976B2 (en) * 2009-06-16 2017-06-06 Rosemount Inc. Wireless process communication adapter with improved encapsulation
US8334788B2 (en) * 2010-03-04 2012-12-18 Rosemount Inc. Process variable transmitter with display
US8786128B2 (en) 2010-05-11 2014-07-22 Rosemount Inc. Two-wire industrial process field device with power scavenging
JP5758885B2 (ja) * 2010-05-25 2015-08-05 富士通株式会社 テーブルタップの電流量補正式算出方法
US9281088B2 (en) 2010-06-07 2016-03-08 Rosemount Inc. Instrument for nuclear power facility
US10761524B2 (en) 2010-08-12 2020-09-01 Rosemount Inc. Wireless adapter with process diagnostics
US9903749B2 (en) * 2011-05-26 2018-02-27 Rosemount Tank Radar Ab Method and device for providing an indication of the reliability of a process parameter value to a host system
US9310794B2 (en) 2011-10-27 2016-04-12 Rosemount Inc. Power supply for industrial process field device
DE102013111714B8 (de) * 2013-10-24 2024-10-02 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zur Funktionseinstellung einer Messstelle
US9778149B2 (en) * 2014-05-02 2017-10-03 Swagelok Company Fluid sample system and method
US11307115B2 (en) 2019-03-10 2022-04-19 Automatic Switch Company Valve test connection
EP3751242B1 (de) * 2019-06-11 2021-12-29 Rosemount Tank Radar AB Guided-wave-radar-füllstandsmesser mit einem explosionssicheren gehäuse mit eigensicherer ausgabe

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573774A (en) * 1967-05-08 1971-04-06 Foxboro Co Two-wire transmission system for remote indication
US3614539A (en) * 1969-06-02 1971-10-19 Sybron Corp Intrinsically safe system including electrical barrier with external connectors
US3959786A (en) * 1975-06-03 1976-05-25 Rochester Instrument Systems, Inc. Isolated two-wire transmitter
US4015472A (en) * 1976-03-09 1977-04-05 Fischer & Porter Co. Two-wire transmission system for vortex flowmeter
US4190822A (en) * 1978-04-05 1980-02-26 Honeywell Inc. Current telemetering interface apparatus
US4290297A (en) * 1979-05-14 1981-09-22 Rousemount Inc. Optically coupled calibrator for transmitters
US4573040A (en) * 1979-11-30 1986-02-25 Drexelbrook Engineering Company Fail-safe instrument system
US4403297A (en) * 1981-01-02 1983-09-06 Loveland Controls Company Process control system prover
US4412265A (en) * 1981-11-27 1983-10-25 Tokheim Corporation Intrinsic barrier
US4556927A (en) * 1983-04-14 1985-12-03 Gilbarco, Inc. Intrinsically safe signal coupler
US4589077A (en) * 1983-07-27 1986-05-13 Southwest Pump Company Liquid level and volume measuring method and apparatus
GB2218213B (en) * 1985-10-25 1990-07-04 Drexelbrook Controls Remotely calabratable instrument system and method of operation thereof
US4806905A (en) * 1986-10-01 1989-02-21 Honeywell Inc. Transmitter for transmitting on a two-wire transmitting line
GB8712865D0 (en) * 1987-06-02 1987-07-08 Measurement Tech Ltd Safety barriers
FR2624968A1 (fr) * 1987-12-16 1989-06-23 Whessoe Sa Dispositif de mesure des parametres de stockage, tels que le niveau et la temperature, de liquides ou fluides de densites differentes dans un reservoir
US5028746A (en) * 1989-08-31 1991-07-02 Rosemount Inc. Cable protector for wound cable
CA2066743C (en) * 1989-10-02 2000-08-01 Jogesh Warrior Field-mounted control unit
US5136630A (en) * 1990-07-13 1992-08-04 Gai-Tronics Intrinsically safe telephone
US5069072A (en) * 1990-07-26 1991-12-03 Woodhead Industries, Inc. Connector module for transducer
CA2049618A1 (en) * 1991-07-18 1993-01-19 Christopher J. O'brien Integrated transmitter and controller
US5207101A (en) * 1991-09-06 1993-05-04 Magnetrol International Inc. Two-wire ultrasonic transmitter
US5363093A (en) * 1992-08-11 1994-11-08 Tanknology Corporation International Method and apparatus for continuous tank monitoring
US5319973A (en) * 1993-02-02 1994-06-14 Caterpillar Inc. Ultrasonic fuel level sensing device
US5502659A (en) * 1994-06-06 1996-03-26 Endress+Hauser, Inc. Method and apparatus for calibrating moisture sensors
US5546804A (en) * 1994-08-11 1996-08-20 Rosemount Inc. Transmitter with moisture draining housing and improved method of mounting RFI filters

Also Published As

Publication number Publication date
WO1996010730A2 (en) 1996-04-11
EP0783665A2 (de) 1997-07-16
CN1159854A (zh) 1997-09-17
CA2196749A1 (en) 1996-04-11
EP0783665B1 (de) 2002-06-05
TW272345B (en) 1996-03-11
US5710552A (en) 1998-01-20
WO1996010730A3 (en) 1996-05-30
CN1080876C (zh) 2002-03-13
DE69526948T2 (de) 2003-02-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition